ObjectDB Database Search

objects, when applicable. Having ordinary Java classes to represent your persistent data (including

? I would assume so and can this be worked around by having PicData a reference to the Pet like

an embeddable class to entity class, which results in having a class with mixed objects in

to me why is it happening  i would be grateful with you cause i am having this problem for 2-3 weeks

_") It matches both "key" and "keyboard" Having the underscore anywhere else works fine, however. 

only one is transacting the database at any given time, but then that defeats the whole point of having

Hi,   I'm having a hard time narrowing down an issue that only became apparent with in the UI. The issue is that, I'm getting repeated results of the owning entity of an '@ElementCollection'. The entity returned is repeated for every element in the collection. Switching back to EclipseLink

check the attachments. I believe this could be caused by having an array of objects as the value in

We are having problems with optimistic locking. I made a simple test case to try to induce an optimistic lock. I have two users logged on to our system.  They both read and display the same data.  Then I change the data with user 1 and submit, and then I change it with user 2 and submit

) is listed as having been enhanced. I am running with ObjectDB in embedded mode via a reference

Hi everyone, I want to update an entity in my program without having to open a transaction, do the modifications and commit the transaction. I want to have a managed entity that is in sync with my database. So when I got a Person class and I do person.setName("John"), the name in my database

I was curious if you could assist me with a challenge we are having with our objectdb database.  Our odb files are about 50Gb in size and are written to about a million times a day with both adds and updates.  This is creating a lot of unused space in the database that we are wanting

My questions is about : 1-) Can objectdb server handle 200.000+ connections at the same time concurrently ? Does it have queue and cache ? 2-) is it dangerous to use that system on many online users ?   kadirbasol Kadir BASOL Having 200,000 concurrent threads is probably a bad idea. Usually

(same as before) - there is no overhead of having each TimeSerie point - in a different entity

Explorer, without having any problem. That's the main point. That's a real pain. In the first app I

do. May be, this thread is having the lock and that is the reason, we are unable to delete the odb file. I

. By having just 1 SSH connection to the VPS, it works at an acceptable speed. Sorry and thanks for your reply. zmirc Mircea Chirac

and version x+1 of a class. I would really need your advice on this, because having 100% uptime is mandatory

is acceptable, but having the whole server die is not (at the very least put in a watchdog process

Hi, I upgraded the odb file using converter.jar which is having 15943 entry. Previously, with object 1.x, the same query was getting executed within an seconds and now the same is taking around 40 seconds in object db 2.x I have build the query using the follwoing Query query = persistanceManager

am having problems with a console-based Netbeans Java Application with a nominated Main class

how, by having a Map that it's key is an Entity and the values are a List of another entity, the list

(Unknown Source) I also found another issue with this query: SELECT a FROM Account a GROUP BY a.code HAVING

with trying. It is only one file, having 135 line. Very much thank you for your help and I hope for answer

I'm having trouble with flush() and clear() in a loop inside a transaction not persisting modified objects to database. Sometimes it does other times it doesn't. Here is my Entity. import javax.persistence.Basic; import javax.persistence.Entity; import javax.persistence.Id; import javax

I'm trying to switch an application that worked fine in Hibernate to ObjectDB and am having issues with queries that reference enum types. On my entity object is a static enum public static enum Type {     A,B,C } that is stored in an @Enumerated member variable private Type type

is:     FROM - WHERE - GROUP BY - HAVING - SELECT - ORDER BY and you cannot use an element before it is defined.   support Support

would have thought that would be done automatically. Having used objectdb for nearly 10 years now, all in

Hi Please help me.I have requirement like In my project having arround 100 pojos .I have used @EntityListener and @prePersist annotaions to invoke my action class .. But problem is how can i get oldvalue and new value of current form of pojo in side my @entity Listener Action class. code snipt

Hi, i am having troubles creating criteria querys for Calendar objects. As far as I can see CriteriaBuilder has no methods for checking if one Calendar is bevor or after another. Javas Calendar Class got such methods, but i dont know how to use those in my query. suez Tobias JPA supports 3

Hello, I would like to know if it's possible to copy the content of a table representing one class of object to another table whithout having to use java object (no object instantiation) ? In fact, I would like to execute a native query like "select * into T0 from T1" My purpose is to backup

to having the activation key in an objectdb.conf file that is not in use. Therefore, the first thing

of ObjectDB. Now I updated to 2.7.5_05, but I still having the same problem. As i'm pretty sure it is a bug

Hi, So I'm currently having an issue where createEntityManagerFactory returns null. When I run the application on the my local machine through Tomcat it works fine, the odb file is created.    public class TaskDaoODBImpl implements TaskDao {     private

Hi everyone, I'm having problems. I have implemented TypedQuery in a module of my web system and everything works perfectly. but when making another module and implementing TypedQuery again it doesn't work anymore I would appreciate your opinion. I leave a portion of my code with example. @Service

even having 300 PC classes. In the future it could be an option for an enhancer to generate

, and am not having problems with drop anymore. In client-server mode, sometimes drop works

Hello Exploring the product having had significant experience win Kodo/BEA/JDO1.x, yes I know dated but still works.  Is it possible to still have the SQL emitted from only the JAVA syntax?  If so is it also possible get each SQL statement before it is sent to the store?  Does

I am having trouble setting up the birt points.odb sample with a client/server connection. I can connect to points.odb with the explorer.  I added a "Data Source" that works fine with local file.  The connection using the server url fails the ping test.  I get (Failed to connect

'ish). Trying to modify as little as possible. I am having trouble with the following:(names

I'm having an issue eager loading a nested map. I've attached @ManyToMany(fetch=FetchType.EAGER) attributes to no avail. If the map is viewed in the debugger or force iterated in the code it loads ok. The attached code attempts to replicate the scenario. Its not an exact match but is the best I

also, therefore I made a feature request with it. We look forward to having this feature available. Thanks

though is the thing about having a runtime driver either integrated in the objectdb jar or (better

OR ...) AND (storeOid = 1 OR ...)), having too many parameters on both sides would make

, but I hate having unexplained exceptions in logs as they tend to bite you in the long term... [2019-09

I am frequently having an error when merging a detached object outside of a transaction. (Is this allowed? I am not trying to modify the object, just read data from it.) Here is a test case: package com.experiments; import javax.persistence.*; import java.util.HashMap; public class ErrorTest

my evaluation of ObjectDB and report my client, the end-customer (without having to tell

is there. The only thing is that we're having an inheritance hierarchy like class TestEntity_1 { public

for which I use and store a string now. but it seems the second issue is really having an embeddable

regards BTC btc_es BTC EmbeddedSystems Maybe the problem is due to having two different  TCVector